Endocrine System. Glands and Hormones The Endocrine System consists of glands and tissues that secrete hormones Endocrine Glands: ductless; secrete hormones.
Warm-Up 1. Why do you communicate? 2. How do you communicate? 3. How do you think cells communicate? 4. Do you think bacteria can communicate? Explain.
20-1 Endocrine System. 20-2 Endocrine Glands The endocrine system is made of glands and tissues that secrete hormones. Endocrine glands are ductless organs,
The Chapter 15 Homework is due on Wednesday, February 4 th at 11:59 pm.
Chapter 18: Regulation of Gene Expression What we will cover: 1. How Proks regulate genes based on environment 2. How Euks regulate gene expression to.
Biological Hierarchy:. Cell to Cell Communication Involves (and you should review): Structure of plasma membranes Diffusion vs. active transport Hydrophobic.
Announcements Exam 3: All material covered since exam 2 including: Fermentation & categories of microbes based upon C and energy sources (Ch 4 & 6) Ch.
Table 5-1 Membrane Proteins Constitute 1-10% of total molecules but 50% of the weight because of their larger size Types of proteins –Integral or intrinsic.
Operon ◦ Inducible and repressible Promoter Terminator Enhancer Regulatory Gene Inducer Repressor Regulatory Protein/Sequence Positive.
IV G. Well-established Second Messengers cAMP Second messenger: Cyclic AMP 1. cAMP is 2nd messenger - released into cytoplasm due to 1st messenger (hormone)
Patterns and Processes of Life Chapter 17 The Endocrine System.
The Endocrine, Nervous, and Reproductive Systems